In order to evaluate the environmental outcome of the CMS strategy against internal
chemical management, a comparison of environmental reports from plants within
the Volvo Group was conducted. The three indicators (volume of process water
used, emissions of VOC and hazardous waste) mentioned in Section 11.2.3 were
indexed with the value for each plant for the year 2001 and used to benchmark
environmental performance during a 3 year period to evaluate various methods of
chemical management. Specifically the comparison used five plants, where the
supplier had responsibility for fluid management service (FMS), one plant with
external fluid management operated by a facility manager (Ext) and four plants
with internal management (Int). The indexes are calculated as followed: